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2022-08-26crypto: Kconfig - sort the arm64 entriesRobert Elliott1-53/+54
Sort the arm64 entries so all like entries are together. Signed-off-by: Robert Elliott <elliott@hpe.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-08-26crypto: Kconfig - submenus for arm and arm64Robert Elliott10-31/+4
Move ARM- and ARM64-accelerated menus into a submenu under the Crypto API menu (paralleling all the architectures). Make each submenu always appear if the corresponding architecture is supported. Get rid of the ARM_CRYPTO and ARM64_CRYPTO symbols. The "ARM Accelerated" or "ARM64 Accelerated" entry disappears from: General setup ---> Platform selection ---> Kernel Features ---> Boot options ---> Power management options ---> CPU Power Management ---> [*] ACPI (Advanced Configuration and Power Interface) Support ---> [*] Virtualization ---> [*] ARM Accelerated Cryptographic Algorithms ---> (or) [*] ARM64 Accelerated Cryptographic Algorithms ---> ... -*- Cryptographic API ---> Library routines ---> Kernel hacking ---> and moves into the Cryptographic API menu, which now contains: ... Accelerated Cryptographic Algorithms for CPU (arm) ---> (or) Accelerated Cryptographic Algorithms for CPU (arm64) ---> [*] Hardware crypto devices ---> ... Suggested-by: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Robert Elliott <elliott@hpe.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-08-26crypto: Kconfig - move x86 entries to a submenuRobert Elliott1-0/+500
Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig and create a submenu for them under the Crypto API menu. Suggested-by: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Robert Elliott <elliott@hpe.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-08-26crypto: Kconfig - move sparc entries to a submenuRobert Elliott1-0/+103
Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig and create a submenu for them under the Crypto API menu. Suggested-by: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Robert Elliott <elliott@hpe.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-08-26crypto: Kconfig - move s390 entries to a submenuRobert Elliott1-0/+120
Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig and create a submenu for them under the Crypto API menu. Suggested-by: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Robert Elliott <elliott@hpe.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-08-26crypto: Kconfig - move powerpc entries to a submenuRobert Elliott1-0/+77
Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig and create a submenu for them under the Crypto API menu. Suggested-by: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Robert Elliott <elliott@hpe.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-08-26crypto: Kconfig - move mips entries to a submenuRobert Elliott1-0/+60
Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig and create a submenu for them under the Crypto API menu. Suggested-by: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Robert Elliott <elliott@hpe.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-08-26ARM: dts: aspeed: Add HACE device controller nodeNeal Liu2-0/+16
Add hace node to device tree for AST2500/AST2600. Signed-off-by: Neal Liu <neal_liu@aspeedtech.com> Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com> Reviewed-by: Dhananjay Phadke <dphadke@linux.microsoft.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-08-26x86/microcode: Remove ->request_microcode_user()Borislav Petkov3-27/+0
181b6f40e9ea ("x86/microcode: Rip out the OLD_INTERFACE") removed the old microcode loading interface but forgot to remove the related ->request_microcode_user() functionality which it uses. Rip it out now too. Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org/r/20220825075445.28171-1-bp@alien8.de
2022-08-26powerpc/82xx: remove spidev node from mgcogeWolfram Sang1-7/+0
Commit 956b200a846e ("spi: spidev: Warn loudly if instantiated from DT as "spidev"") states that there should not be spidev nodes in DTs. Remove this non-HW description. There won't be a regression because it won't bind since 2015 anyhow. Fixes: 5d1d67e361ea ("powerpc/82xx: add SPI support for mgcoge") Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220824082130.21934-3-wsa+renesas@sang-engineering.com
2022-08-26powerpc/microwatt: Add LiteX MMC driverJoel Stanley1-0/+5
Enable the LiteX MMC device and it's dependency the common clock framework. Signed-off-by: Joel Stanley <joel@jms.id.au> Acked-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220804015708.5928-1-joel@jms.id.au
2022-08-26powerpc/mm: Support execute-only memory on the Radix MMURussell Currey3-3/+16
Add support for execute-only memory (XOM) for the Radix MMU by using an execute-only mapping, as opposed to the RX mapping used by powerpc's other MMUs. The Hash MMU already supports XOM through the execute-only pkey, which is a separate mechanism shared with x86. A PROT_EXEC-only mapping will map to RX, and then the pkey will be applied on top of it. mmap() and mprotect() consumers in userspace should observe the same behaviour on Hash and Radix despite the differences in implementation. Replacing the vma_is_accessible() check in access_error() with a read check should be functionally equivalent for non-Radix MMUs, since it follows write and execute checks. For Radix, the change enables detecting faults on execute-only mappings where vma_is_accessible() would return true. Signed-off-by: Russell Currey <ruscur@russell.cc> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220817050640.406017-1-ruscur@russell.cc
2022-08-26powerpc: move from strlcpy with unused retval to strscpyWolfram Sang4-4/+4
Follow the advice of the below link and prefer 'strscpy' in this subsystem. Conversion is 1:1 because the return value is not used. Generated by a coccinelle script. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/ Link: https://lore.kernel.org/r/20220818205946.6336-1-wsa+renesas@sang-engineering.com
2022-08-26powerpc/fsl_booke: Make calc_cam_sz() staticChristophe Leroy2-4/+2
calc_cam_sz() is used only in fsl_book3e.c, make it static. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/a7469848371b2cf5e8f654ec79800e209d88595e.1660919200.git.christophe.leroy@csgroup.eu
2022-08-26powerpc: Remove stale declarations in mmu_decl.hChristophe Leroy2-5/+0
rtas_size and rtas_data are not used anymore since at least commit 7c8c6b9776fb ("powerpc: Merge lmb.c and make MM initialization use it.") Remove them. Since commit 4b74a35fc7e9 ("powerpc/32s: Make Hash var static") the forward declaration of struct hash_pte is unneeded. Remove it. __initial_memory_limit_addr was removed by commit e63075a3c937 ("memblock: Introduce default allocation limit and use it to replace explicit ones") Remove the declaration. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/a821e8397dd56b8177ecc04966d3b3a7c4bda6d4.1660919016.git.christophe.leroy@csgroup.eu
2022-08-26powerpc: Move patch sites out of asm-prototypes.hMichael Ellerman3-13/+14
The definitions for the patch sites etc. don't belong in asm-prototypes.h, they are not EXPORT'ed asm symbols. Move them into sections.h which is traditionally used for asm symbols. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220818050659.187181-1-mpe@ellerman.id.au
2022-08-26powerpc/boot: Drop unused dummy.cMichael Ellerman1-4/+0
The last use of dummy.c was dropped in commit 2bf118197cb4 ("[POWERPC] Create a "wrapper" script and use it in arch/powerpc/boot"). Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220819110556.434970-1-mpe@ellerman.id.au
2022-08-26powerpc/boot: Convert more files to use SPDX tagsMichael Ellerman5-20/+8
These files are all plain GPL 2.0, with a second sentence about being licensed as-is. Similar to the rule in commit 577b61cee5b2 ("treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE"). Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20220819110430.433984-1-mpe@ellerman.id.au
2022-08-25riscv: enable CD-ROM file systems in defconfigHeinrich Schuchardt1-0/+3
CD-ROM images are still commonly used for installer images and other data exchange. These file systems should be supported on RISC-V by default like they are on x86_64. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Link: https://lore.kernel.org/r/20220812200853.311474-1-heinrich.schuchardt@canonical.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-08-25Merge branch 'riscv-variable_fixes_without_kvm' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git into fixesPalmer Dabbelt4-1/+17
This contains a pair of fixes for build-time warnings. * 'riscv-variable_fixes_without_kvm' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git: riscv: traps: add missing prototype riscv: signal: fix missing prototype warning
2022-08-25Merge tag 'dt-fixes-for-palmer-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git into fixesPalmer Dabbelt3-9/+2
Microchip RISC-V devicetree fixes for 6.0-rc3 Two sets of fixes this time around: - A fix for the interrupt ordering of the l2-cache controller. If the driver is enabled, it would spam the console /constantly/, rendering the system useless. - General cleanup for some bogus properties in the dt, part of my quest for zero dtbs_check warnings. On that note, the interrupt ordering adds a dtbs_check warning - but I considered that fixing the potentially useless system was more of a priority. Signed-off-by: Conor Dooley <conor.dooley@microchip.com> * tag 'dt-fixes-for-palmer-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git: riscv: dts: microchip: mpfs: remove pci axi address translation property riscv: dts: microchip: mpfs: remove bogus card-detect-delay riscv: dts: microchip: mpfs: remove ti,fifo-depth property riscv: dts: microchip: mpfs: fix incorrect pcie child node name riscv: dts: microchip: correct L2 cache interrupts
2022-08-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski37-143/+135
drivers/net/ethernet/mellanox/mlx5/core/en_fs.c 21234e3a84c7 ("net/mlx5e: Fix use after free in mlx5e_fs_init()") c7eafc5ed068 ("net/mlx5e: Convert ethtool_steering member of flow_steering struct to pointer") https://lore.kernel.org/all/20220825104410.67d4709c@canb.auug.org.au/ https://lore.kernel.org/all/20220823055533.334471-1-saeed@kernel.org/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-26powerpc/rtas: Fix RTAS MSR[HV] handling for CellMichael Ellerman1-0/+4
The semi-recent changes to MSR handling when entering RTAS (firmware) cause crashes on IBM Cell machines. An example trace: kernel tried to execute user page (2fff01a8) - exploit attempt? (uid: 0) BUG: Unable to handle kernel instruction fetch Faulting instruction address: 0x2fff01a8 Oops: Kernel access of bad area, sig: 11 [#1] BE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=4 NUMA Cell Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.0.0-rc2-00433-gede0a8d3307a #207 NIP: 000000002fff01a8 LR: 0000000000032608 CTR: 0000000000000000 REGS: c0000000015236b0 TRAP: 0400 Tainted: G W (6.0.0-rc2-00433-gede0a8d3307a) MSR: 0000000008001002 <ME,RI> CR: 00000000 XER: 20000000 ... NIP 0x2fff01a8 LR 0x32608 Call Trace: 0xc00000000143c5f8 (unreliable) .rtas_call+0x224/0x320 .rtas_get_boot_time+0x70/0x150 .read_persistent_clock64+0x114/0x140 .read_persistent_wall_and_boot_offset+0x24/0x80 .timekeeping_init+0x40/0x29c .start_kernel+0x674/0x8f0 start_here_common+0x1c/0x50 Unlike PAPR platforms where RTAS is only used in guests, on the IBM Cell machines Linux runs with MSR[HV] set but also uses RTAS, provided by SLOF. Fix it by copying the MSR[HV] bit from the MSR value we've just read using mfmsr into the value used for RTAS. It seems like we could also fix it using an #ifdef CELL to set MSR[HV], but that doesn't work because it's possible to build a single kernel image that runs on both Cell native and pseries. Fixes: b6b1c3ce06ca ("powerpc/rtas: Keep MSR[RI] set when calling RTAS") Cc: stable@vger.kernel.org # v5.19+ Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Jordan Niethe <jniethe5@gmail.com> Link: https://lore.kernel.org/r/20220823115952.1203106-2-mpe@ellerman.id.au
2022-08-26Revert "powerpc: Remove unused FW_FEATURE_NATIVE references"Michael Ellerman1-0/+8
This reverts commit 79b74a68486765a4fe685ac4069bc71366c538f5. It broke booting on IBM Cell machines when the kernel is also built with CONFIG_PPC_PS3=y. That's because FW_FEATURE_NATIVE_ALWAYS = 0 does have an important effect, which is to clear the PS3 ALWAYS features from FW_FEATURE_ALWAYS. Note that CONFIG_PPC_NATIVE has since been renamed CONFIG_PPC_HASH_MMU_NATIVE. Fixes: 79b74a684867 ("powerpc: Remove unused FW_FEATURE_NATIVE references") Cc: stable@vger.kernel.org # v5.17+ Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220823115952.1203106-1-mpe@ellerman.id.au
2022-08-26powerpc: align syscall table for ppc32Masahiro Yamada1-0/+1
Christophe Leroy reported that commit 7b4537199a4a ("kbuild: link symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS") broke mpc85xx_defconfig + CONFIG_RELOCATABLE=y. LD vmlinux SYSMAP System.map SORTTAB vmlinux CHKREL vmlinux WARNING: 451 bad relocations c0b312a9 R_PPC_UADDR32 .head.text-0x3ff9ed54 c0b312ad R_PPC_UADDR32 .head.text-0x3ffac224 c0b312b1 R_PPC_UADDR32 .head.text-0x3ffb09f4 c0b312b5 R_PPC_UADDR32 .head.text-0x3fe184dc c0b312b9 R_PPC_UADDR32 .head.text-0x3fe183a8 ... The compiler emits a bunch of R_PPC_UADDR32, which is not supported by arch/powerpc/kernel/reloc_32.S. The reason is there exists an unaligned symbol. $ powerpc-linux-gnu-nm -n vmlinux ... c0b31258 d spe_aligninfo c0b31298 d __func__.0 c0b312a9 D sys_call_table c0b319b8 d __func__.0 Commit 7b4537199a4a is not the root cause. Even before that, I can reproduce the same issue for mpc85xx_defconfig + CONFIG_RELOCATABLE=y + CONFIG_MODVERSIONS=n. It is just that nobody noticed because when CONFIG_MODVERSIONS is enabled, a __crc_* symbol inserted before sys_call_table was hiding the unalignment issue. Adding alignment to the syscall table for ppc32 fixes the issue. Cc: stable@vger.kernel.org Reported-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Christophe Leroy <christophe.leroy@csgroup.eu> [mpe: Trim change log discussion, add Cc stable] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/lkml/38605f6a-a568-f884-f06f-ea4da5b214f0@csgroup.eu/ Link: https://lore.kernel.org/r/20220820165129.1147589-1-masahiroy@kernel.org
2022-08-25arm64: dts: mt8195: Add display node for vdosys0Jason-JH.Lin1-0/+93
Add display node for vdosys0 of mt8195. Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-21-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Add gce nodeJason-JH.Lin1-0/+22
Add gce node and gce alias to mt8195 device tree. Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-20-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Add iommu and smi nodesTinghan Shen1-0/+449
Add iommu nodes and smi nodes for mt8195. Signed-off-by: Yong Wu <yong.wu@mediatek.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-19-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Specify audio reset controllerTrevor Wu1-0/+3
Specify audio reset controller for audio hardware resetting. Signed-off-by: Trevor Wu <trevor.wu@mediatek.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-18-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Add adsp node and adsp mailbox nodesYC Hung1-0/+37
Add adsp node and adsp mailbox nodes for mt8195. Signed-off-by: YC Hung <yc.hung@mediatek.corp-partner.google.com> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.corp-partner.google.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-17-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Add audio related nodesTinghan Shen1-0/+58
Add audio related nodes for mt8195. Signed-off-by: Trevor Wu <trevor.wu@mediatek.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-16-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Add scp nodeTinghan Shen1-0/+10
Add scp node for mt8195. Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-15-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Add spmi nodeTinghan Shen1-0/+15
Add spmi node to mt8195. Signed-off-by: Henry Chen <henryc.chen@mediatek.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-14-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Add power domains controllerTinghan Shen1-0/+326
Add power domains controller node for mt8195. Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-13-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Add vdosys and vppsys clock nodesTinghan Shen1-0/+24
Add display clock nodes. Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-12-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Add cpufreq nodeYT Lee1-0/+14
Add cpufreq node for mt8195. Signed-off-by: YT Lee <yt.lee@mediatek.corp-partner.google.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-11-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Disable I2C0 nodeTzung-Bi Shih1-1/+1
The I2C0 node should not be enabled globally, as usage is board dependent; disable it in dtsi. Signed-off-by: Tzung-Bi Shih <tzungbi@chromium.org> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-10-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8195: Disable watchdog external reset signalTinghan Shen1-0/+1
Disable the external output reset signal of watchdog reset to avoid losing the reset reason stored in the watchdog registers. Signed-off-by: Fengquan Chen <fengquan.chen@mediatek.com> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220811025813.21492-9-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mediatek: Update mt81xx scpsys node to align with dt-bindingsTinghan Shen4-8/+4
Update scpsys nodes using simple-mfd in mt81xx SoC devicetree to align with the bindings. Add specific compatibles for syscon node, even it's a dummy compatible, because syscon node must come with a specific compatible. Remove the '#power-domain-cells" propertry since the simple-mfd node is not the power domain provider; the provider is the child node. Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com> Link: https://lore.kernel.org/r/20220811025813.21492-8-tinghan.shen@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25x86/sev: Mark snp_abort() noreturnBorislav Petkov2-2/+2
Mark both the function prototype and definition as noreturn in order to prevent the compiler from doing transformations which confuse objtool like so: vmlinux.o: warning: objtool: sme_enable+0x71: unreachable instruction This triggers with gcc-12. Add it and sev_es_terminate() to the objtool noreturn tracking array too. Sort it while at it. Suggested-by: Michael Matz <matz@suse.de> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220824152420.20547-1-bp@alien8.de
2022-08-25s390/mm: do not trigger write fault when vma does not allow VM_WRITEGerald Schaefer1-1/+3
For non-protection pXd_none() page faults in do_dat_exception(), we call do_exception() with access == (VM_READ | VM_WRITE | VM_EXEC). In do_exception(), vma->vm_flags is checked against that before calling handle_mm_fault(). Since commit 92f842eac7ee3 ("[S390] store indication fault optimization"), we call handle_mm_fault() with FAULT_FLAG_WRITE, when recognizing that it was a write access. However, the vma flags check is still only checking against (VM_READ | VM_WRITE | VM_EXEC), and therefore also calling handle_mm_fault() with FAULT_FLAG_WRITE in cases where the vma does not allow VM_WRITE. Fix this by changing access check in do_exception() to VM_WRITE only, when recognizing write access. Link: https://lkml.kernel.org/r/20220811103435.188481-3-david@redhat.com Fixes: 92f842eac7ee3 ("[S390] store indication fault optimization") Cc: <stable@vger.kernel.org> Reported-by: David Hildenbrand <david@redhat.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2022-08-25s390: fix double free of GS and RI CBs on fork() failureBrian Foster1-6/+16
The pointers for guarded storage and runtime instrumentation control blocks are stored in the thread_struct of the associated task. These pointers are initially copied on fork() via arch_dup_task_struct() and then cleared via copy_thread() before fork() returns. If fork() happens to fail after the initial task dup and before copy_thread(), the newly allocated task and associated thread_struct memory are freed via free_task() -> arch_release_task_struct(). This results in a double free of the guarded storage and runtime info structs because the fields in the failed task still refer to memory associated with the source task. This problem can manifest as a BUG_ON() in set_freepointer() (with CONFIG_SLAB_FREELIST_HARDENED enabled) or KASAN splat (if enabled) when running trinity syscall fuzz tests on s390x. To avoid this problem, clear the associated pointer fields in arch_dup_task_struct() immediately after the new task is copied. Note that the RI flag is still cleared in copy_thread() because it resides in thread stack memory and that is where stack info is copied. Signed-off-by: Brian Foster <bfoster@redhat.com> Fixes: 8d9047f8b967c ("s390/runtime instrumentation: simplify task exit handling") Fixes: 7b83c6297d2fc ("s390/guarded storage: simplify task exit handling") Cc: <stable@vger.kernel.org> # 4.15 Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Link: https://lore.kernel.org/r/20220816155407.537372-1-bfoster@redhat.com Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2022-08-25arm64: dts: mediatek: mt8183-pumpkin: add keypad supportFabien Parent1-0/+21
Add device-tree bindings for the keypad driver on the MT8183 Pumpkin board. The MT8183 Pumpkin board has 2 buttons connected using: KPROW0, KPROW1 and KPCOL0. Signed-off-by: Fabien Parent <fparent@baylibre.com> Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> Link: https://lore.kernel.org/r/20220720-mt8183-keypad-v2-7-6d42c357cb76@baylibre.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mediatek: mt8183: add keyboard nodeFabien Parent1-0/+9
MT8183 has an on-SoC keyboard controller commonly used for volume up/down buttons. List it in the SoC dts so that boards can enable/use it. Signed-off-by: Fabien Parent <fparent@baylibre.com> Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220720-mt8183-keypad-v2-6-6d42c357cb76@baylibre.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25arm64: dts: mt8183: add MediaTek MDP3 nodesMoudy Ho1-0/+63
Add device nodes for Media Data Path 3 (MDP3) modules. Signed-off-by: Moudy Ho <moudy.ho@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220823023803.27850-4-moudy.ho@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-08-25xen: x86: remove setting the obsolete config XEN_MAX_DOMAIN_MEMORYLukas Bulwahn1-1/+0
Commit c70727a5bc18 ("xen: allow more than 512 GB of RAM for 64 bit pv-domains") from July 2015 replaces the config XEN_MAX_DOMAIN_MEMORY with a new config XEN_512GB, but misses to adjust arch/x86/configs/xen.config. As XEN_512GB defaults to yes, there is no need to explicitly set any config in xen.config. Just remove setting the obsolete config XEN_MAX_DOMAIN_MEMORY. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Reviewed-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/20220817044333.22310-1-lukas.bulwahn@gmail.com Signed-off-by: Juergen Gross <jgross@suse.com>
2022-08-25LoongArch: mm: Avoid unnecessary page fault retires on shared memory typesHuacai Chen1-0/+4
Commit d92725256b4f22d0 ("mm: avoid unnecessary page fault retires on shared memory types") modifies do_page_fault() to handle the VM_FAULT_ COMPLETED case, but forget to change for LoongArch, so fix it as other architectures does. Fixes: d92725256b4f22d0 ("mm: avoid unnecessary page fault retires on shared memory types") Reviewed-by: Guo Ren <guoren@kernel.org> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-08-25LoongArch: Add subword xchg/cmpxchg emulationHuacai Chen2-1/+105
LoongArch only support 32-bit/64-bit xchg/cmpxchg in native. But percpu operation, qspinlock and some drivers need 8-bit/16-bit xchg/cmpxchg. We add subword xchg/cmpxchg emulation in this patch because the emulation has better performance than the generic implementation (on NUMA system), and it can fix some build errors meanwhile [1]. LoongArch's guarantee for forward progress (avoid many ll/sc happening at the same time and no one succeeds): We have the "exclusive access (with timeout) of ll" feature to avoid simultaneous ll (which also blocks other memory load/store on the same address), and the "random delay of sc" feature to avoid simultaneous sc. It is a mandatory requirement for multi-core LoongArch processors to implement such features, only except those single-core and dual-core processors (they also don't support multi-chip interconnection). Feature bits are introduced in CPUCFG3, bit 3 and bit 4 [2]. [1] https://lore.kernel.org/loongarch/CAAhV-H6vvkuOzy8OemWdYK3taj5Jn3bFX0ZTwE=twM8ywpBUYA@mail.gmail.com/T/#t [2] https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#_cpucfg Reported-by: Sudip Mukherjee (Codethink) <sudipm.mukherjee@gmail.com> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Rui Wang <wangrui@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-08-25LoongArch: Cleanup headers to avoid circular dependencyHuacai Chen5-33/+22
When enable GENERIC_IOREMAP, there will be circular dependency to cause build errors. The root cause is that pgtable.h shouldn't include io.h but pgtable.h need some macros defined in io.h. So cleanup those macros and remove the unnecessary inclusions, as other architectures do. Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-08-25LoongArch: Cleanup reset routines with new APIHuacai Chen2-58/+21
Cleanup reset routines by using new do_kernel_power_off() instead of old pm_power_off(), and then simplify the whole file (reset.c) organization by inlining some functions. This cleanup also fix a poweroff error if EFI runtime is disabled. Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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